Search (3 results, page 1 of 1)

  • × author_ss:"Raan, A.F.J. van"
  • × theme_ss:"Informetrie"
  1. Raan, A.F.J. van: Statistical properties of bibliometric indicators : research group indicator distributions and correlations (2006) 0.01
    0.012822666 = product of:
      0.025645332 = sum of:
        0.025645332 = product of:
          0.051290665 = sum of:
            0.051290665 = weight(_text_:22 in 5275) [ClassicSimilarity], result of:
              0.051290665 = score(doc=5275,freq=4.0), product of:
                0.15623273 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044614602 = queryNorm
                0.32829654 = fieldWeight in 5275, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5275)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 16:20:22
  2. Raan, A.F.J. van: Scaling rules in the science system : influence of field-specific citation characteristics on the impact of research groups (2008) 0.01
    0.009066993 = product of:
      0.018133987 = sum of:
        0.018133987 = product of:
          0.036267973 = sum of:
            0.036267973 = weight(_text_:22 in 2758) [ClassicSimilarity], result of:
              0.036267973 = score(doc=2758,freq=2.0), product of:
                0.15623273 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044614602 = queryNorm
                0.23214069 = fieldWeight in 2758, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2758)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 3.2009 19:03:12
  3. Costas, R.; Bordons, M.; Leeuwen, T.N. van; Raan, A.F.J. van: Scaling rules in the science system : Influence of field-specific citation characteristics on the impact of individual researchers (2009) 0.01
    0.0075558284 = product of:
      0.015111657 = sum of:
        0.015111657 = product of:
          0.030223314 = sum of:
            0.030223314 = weight(_text_:22 in 2759) [ClassicSimilarity], result of:
              0.030223314 = score(doc=2759,freq=2.0), product of:
                0.15623273 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044614602 = queryNorm
                0.19345059 = fieldWeight in 2759, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2759)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 3.2009 19:02:48